1419899444 has 6 divisors (see below), whose sum is σ = 2484824034. Its totient is φ = 709949720.

The previous prime is 1419899441. The next prime is 1419899447. The reversal of 1419899444 is 4449989141.

It is an interprime number because it is at equal distance from previous prime (1419899441) and next prime (1419899447).

It can be written as a sum of positive squares in only one way, i.e., 1394275600 + 25623844 = 37340^2 + 5062^2 .

It is a super-2 number, since 2×1419899444² = 4032228862143018272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1419899441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177487427 + ... + 177487434.

It is an arithmetic number, because the mean of its divisors is an integer number (414137339).

Almost surely, 2^1419899444 is an apocalyptic number.

It is an amenable number.

1419899444 is a deficient number, since it is larger than the sum of its proper divisors (1064924590).

1419899444 is a wasteful number, since it uses less digits than its factorization.

1419899444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354974865 (or 354974863 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 53.

The square root of 1419899444 is about 37681.5530996269. The cubic root of 1419899444 is about 1123.9643325266.

The spelling of 1419899444 in words is "one billion, four hundred nineteen million, eight hundred ninety-nine thousand, four hundred forty-four".